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package org.glassfish.jersey.server.internal.routing;

import org.glassfish.jersey.server.internal.routing.Routers.RootRouteBuilder;
import org.glassfish.jersey.server.internal.routing.Routers.RouteBuilder;
import org.glassfish.jersey.server.internal.routing.Routers.RouteToBuilder;
import org.glassfish.jersey.uri.PathPattern;

import org.glassfish.hk2.api.ServiceLocator;

/**
 * {@link RouteBuilder} implementation that builds routes which use {@link PathPattern}
 * to perform path matching.
 *
 * @author Paul Sandoz
 * @author Marek Potociar (marek.potociar at oracle.com)
 */
final class PathPatternRouteBuilder implements RootRouteBuilder<PathPattern> {

    private final ServiceLocator locator;

    /**
     * Create new {@link PathPattern}-based route builder.
     *
     * @param locator application service locator.
     */
    PathPatternRouteBuilder(final ServiceLocator locator) {
        this.locator = locator;
    }

    @Override
    public RouteToBuilder<PathPattern> route(String pattern) {
        return route(new PathPattern(pattern));
    }

    @Override
    public RouteToBuilder<PathPattern> route(PathPattern pattern) {
        return new AbstractRouteToPathBuilder<PathPattern>(locator, pattern) {

            @Override
            public RouteToBuilder<PathPattern> route(String pattern) {
                return super.route(new PathPattern(pattern));
            }

            @Override
            public Router build() {
                return new PathPatternRouter(acceptedRoutes());
            }
        };
    }

    @Override
    public Router root(Router routingRoot) {
        return new MatchResultInitializerRouter(routingRoot);
    }
}
